Zoo Med Repti Fogger? Terrarium Humidifier. Increase your tank?s humidity with Zoo Med?s new Repti Fogger?, a compact ultrasonic humidifying fogger with adjustable fog output control. This unit comes ready to operate! It includes a one-liter bottle, an adjustable hose that extends up to 3 feet, and all the necessary fittings. The Repti Fogger? also features a ?no-spill? valve making it easy to remove and refill the water bottle.